Inflatable cushion or similar article



FIG. 1 is a top front perspective view of an inflatable cushion or similar article showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a right side elevation view thereof, the left side elevation view being a mirror image thereof. 

The ornamental design for an inflatable cushion or similar article, as shown and described. 